Finding the Fourth Proportional to 14,659,325.38, 20,232,297.21 and 8,135,050.42
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Solution
The fourth proportional to 14,659,325.38, 20,232,297.21 and 8,135,050.42 is: 11,227,717.08
Step by Step Solution
- Step 1: Write the proportion equation
14,659,325.38 : 20,232,297.21 = 8,135,050.42 : x - Step 2: Convert to fraction form
14,659,325.38/20,232,297.21 = 8,135,050.42/x - Step 3: Cross multiply
14,659,325.38x = 20,232,297.21 × 8,135,050.42 - Step 4: Simplify right side
14,659,325.38x = 164,590,757,915,775.34 - Step 5: Solve for x
x = 164,590,757,915,775.34/14,659,325.38 - Step 6: Final answer
x = 11,227,717.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.